package com.it.bannner

import androidx.test.platform.app.InstrumentationRegistry
import androidx.test.ext.junit.runners.AndroidJUnit4

import org.junit.Test
import org.junit.runner.RunWith

import org.junit.Assert.*

/**
 * Instrumented test, which will execute on an Android device.
 *
 * See [testing documentation](http://d.android.com/tools/testing).
 */
@RunWith(AndroidJUnit4::class)
class ExampleInstrumentedTest {
    @Test
    fun useAppContext() {
        val data = Data<String>("你好")

        data.myTest {
            println(this)
        }
    }

    class Data<T>(var item: T)

    fun <T, R> Data<T>.myTest(action: T.() -> R): R = action(item)
}